ArticleEnvironmental analysis, health and toxicology2026
Growth rates and microcystin production of Microcystis strains in response to allochthonous and autochthonous nutrient sources.
Article in Environmental analysis, health and toxicology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Field-Based Mesocosm Evidence for the Role of Natural Nutrient Sources in Cyanobacterial Blooms.Environmental analysis, health and toxicology · 2026Article
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3 authors.
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Abstract
This study investigated the growth dynamics and microcystin (MC) production of Microcystis in response to various autochthonous and allochthonous nutrient sources, specifically cyanobacterial scum, floating periphyton mats, sediment, and agricultural soil. Chemical analysis revealed that cyanobacterial scum is a major nitrogen reservoir (25.72 mg/g of dry weight(g dw)), while periphyton mats serve as significant phosphorus buffers through luxury uptake (1.92 mg/g dw). Laboratory cultures of Microcystis strains NIER10004 and CBE51 demonstrated that sediment extracts promoted the highest growth rates (0.0160 and 0.0166 OD750/d, respectively) and the greatest biomass-to-total phosphorus ratios. Phosphorus uptake followed a biphasic pattern: a rapid depletion of orthophosphate in the first 10 days, followed by a transition to organic phosphorus utilization, likely facilitated by alkaline phosphatase activity. MC concentrations peaked at the onset of the stationary phase, though total MC content showed a low correlation with the specific nutrient source, suggesting that nutrient supply primarily drives biomass expansion rather than MC biosynthesis rates. Given the feasibility of mechanical removal, artificial harvesting of periphyton mats during spring-when increased microbial activity in sediments causes the mats to detach and float-is proposed as a more viable and cost-effective management strategy than expensive sediment dredging for mitigating harmful algal blooms in eutrophic reservoirs.
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